Brandwave

Bonsoy vs Oatly:Which is more popular?

In September 2026, Oatly had more branded searches than Bonsoy among plant milk brands in Australia. Oatly had about 33,100 branded searches, while Bonsoy had 3,600. Oatly made up 75.3% of all plant milk brand searches we track, and Bonsoy accounted for 8.2%. When we asked ChatGPT and Google AI Overviews about plant milk brands, Bonsoy and Oatly each appeared in one of the four answers. Bonsoy and Oatly were each mentioned first in one of the two answers that named either.

Among plant milk brands in Australia in September 2026

Who do people search for more?

Oatly, about 9 searches for every 1 for Bonsoy

Oatly 33.1K searchesBonsoy 3.6K searches

Who does AI mention more?

Both were mentioned in 1 of 4 answers.

Bonsoy in 1 of 4Oatly in 1 of 4

Who does AI recommend more?

Each is named first in 1 of 2 answers.

Bonsoy first in 1Oatly first in 1

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Top plant milk brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Bonsoy and Oatly were each mentioned in one out of four: in one of the three ChatGPT answers, but not in the Google AI Overview. Bonsoy and Oatly were each listed first in one of the two answers that named either.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. So Good1st
  2. Vitasoy2nd
  3. Bonsoy3rd
  4. Oatly4th
  5. Milklab–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Vitasoy3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • So Good3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Oatly1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Bonsoy1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Milklab0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about plant milk brands

4 answers
  • Asked ChatGPT

    “What's the best oat milk brand in Australia?”

    1. 1Vitasoy
    2. 2So Good
    3. 3Oatly
  • Asked ChatGPT

    “Which plant milk is best for coffee?”

    1. Asked ChatGPT

      “Which soy or almond milk brand tastes best?”

      1. 1Bonsoy
      2. 2So Good
      3. 3Vitasoy
    2. Searched Google, AI Overview

      “oat milk”

      Google showed no AI Overview for this search.

    3. Searched Google, AI Overview

      “plant milk”

      1. 1So Good
      2. 2Vitasoy

    Not named in any answer:

    Brands are shown in the order each answer named them. The survey took place in Australia on October 23, 2026.

    Is Bonsoy or Oatly more popular in search?

    This chart shows how often people search Google for Bonsoy and Oatly by name. Each line represents a brand's share of searches for all five plant milk brands we track, month by month, from searches in Australia.

    Bonsoy and Oatly among plant milk brands in Australia, by month

    Share of searches by month for Oatly, Bonsoy. The figures are in the table below the chart.

    View monthly share of searches table
    MonthOatlyMilklabBonsoyVitasoySo Good
    Oct 202575.5%10%8.2%5.5%0.73%
    Nov 202573.7%12%8%5.3%0.87%
    Dec 202572.7%14.5%7.8%4.3%0.7%
    Jan 202673.2%9.7%9.7%6.5%0.86%
    Feb 202677.7%10.3%6.8%4.5%0.75%
    Mar 202672.6%11.8%9.6%5.3%0.7%
    Apr 202674.2%9.9%9.9%5.4%0.72%
    May 202673.7%8%12%5.3%0.87%
    Jun 202671.5%11.6%9.5%6.3%1%
    Jul 202673.9%12%8%5.4%0.71%
    Aug 202673.7%12%8%5.3%0.87%
    Sep 202675.3%10%8.2%5.5%1.1%

    How has the Bonsoy and Oatly comparison changed over the last 12 months?

    3 findings
    • Oatly was ahead of Bonsoy in every measured month of the 12 months ending September 2026.
    • Across the 12 months ending September 2026, Bonsoy’s share of searches among plant milk brands in Australia held steady at 8.2%, and its estimated monthly branded searches held steady at 3.6K.
    • Across the 12 months ending September 2026, Oatly’s share of searches among plant milk brands in Australia moved from 75.5% to 75.3%, and its estimated monthly branded searches held steady at 33.1K.

    How did search popularity change for Australia plant milk brands in September 2026?

    1 change
    1. In September 2026, Oatly gained share of searches among plant milk brands in Australia, from 73.7% to 75.3%.

    How are branded searches counted?

    2 search terms

    Brandwave collects information about searches that people make online using Bonsoy’s and Oatly’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

    Bonsoy

    1 branded search term

    • bonsoy

    Oatly

    1 branded search term

    • oatly

    How the Brand Demand Index is measured

    Other head-to-heads among plant milk brands

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